CONTENTS. V 



Page 



XX. Descriptions and Figaires of Deep-Sea Sponges and their 

 Spicules, from the Atlantic Ocean, dredged up on board H.M.S. ' Por- 

 cupine,' chiefly in 1869. By H. J. Cabteb, F.R.S. &c. (Plates 

 XII.-XVI.), 226 



XXI. On a Collection of Lepidoptera from Port Moresby, New 

 Guinea. By Arthur G. Butler, F.L.S. &c 240 



XXII. On some new and remarkable North-Atlantic Brachiopoda. 



By J. GwYN Jeffreys, LL.D., F.R.S 250 



XXIII. On the Structure of the Mouth in Sucking Crustacea. 



By Professor J. C. Schiodte 253 



New Book : — Monograph of the Asiatic Chu-optera, and Catalogue 

 of the Species of Bats in the Collection of the Indian Museum, 

 Calcutta, by G. E. Dobson, M.A., M.B., F.L.S., &c 266 



Proceedings of the Royal Society 268 



On the Discovery of the Trigonia acidicostata (M'Coy) in the Living 

 State, by F. M'Coy, Professor of Natural Science in Melbourne 

 University ; On the Reproduction of the Dioecious Volvoj; by 

 M. L.-F. Henneguy ; On the Fur-Seal of the Islands of St. Paul 

 and Amsterdam, by Prof. W. Peters 273—276 



NUMBER CVI. 



XXIV. The African Element in the Fauna of India : a Criticism 

 of Mr. Wallace's views as expressed in the ' Geographical Distribu- 

 tion of Animals.' By W. T. Blanford, F.R.S. &c 277 



XXV. On the Structure of the Mouth in Sucking Crustacea. By 

 Professor J. C. Schiodte 295 



XXVI. On the Mode in which the Young of the New-Zealand 

 Astacidcs attach themselves to the Mother. By Prof. J. Wood- 

 Mason 306 



XXVII. Descriptions and Figures of Deep-Sea Sponges and their 

 Spicules, from the Atlantic Ocean, dredged up on board H.M.S. 'Por- 

 cupine,' chiefly in 1869. By H. J. Carter, F.R.S. &c 307 



XXVIII. On a new Genus and Species of Collembola from Ker- 

 guelen Island. By Sir John Lubbock, Bart., M.P 324 



XXIX. The Mammals of Turkestan, By Dr. N. Severtzofp . . 325 



XXX. Description of a new Species of Mantida. P»y Prof. J. 

 Woot>-Mason ." 337 



